Cake pan



FIG. 1 is a top perspective view of the cake pan;

FIG. 2 is a side elevational view of the cake pan, the opposite side, front and back views of which are identical;

FIG. 3 is a top plan view of the cake pan; and,

FIG. 4 is a bottom plan view of the cake pan. 

The ornamental design for a cake pan, as shown and described. 